Product features-color/white black red-Product size / 75 × 75 × 10 mm-2 Can be set at the same time two hours continuous equation-Can be used with wet hands-drop type-In LED 2 timer in terms to distinguish the different colors and different kinds of sound news-10 Minutes 1 minutes 10 seconds in increments easy set-Repeat function back to the originally set time-Count up function-The maximum set time 99 分 50 秒-A with a string through hole, mounting convenience with magnet● with battery (lithium button cell CR2025×1 pieces)